第十八课

Unit 5 water on earth第五单元  地球上的水

Looking at the earth, our home is a blue planet, which looks like a "water ball". We know that some water on the earth is distributed in rivers, lakes and oceans. Besides, where else is water distributed?遥望地球，我们的家园是一个蔚蓝色的星球，看上去像个“水球”。 我们知道，地球上有些水分布在河湖中、海洋里。除此之外，水还分布在哪里呢?

18 rivers and lakes18河流和湖泊

Do you know the rivers and lakes in your hometown?你知道家乡有哪些河流和湖泊吗?

Collect relevant information of rivers and lakes in my hometown.搜集家乡河流和湖泊的相关资料。

Activity process活动过程

Talk about the rivers and lakes in my hometown.说一说家乡的河流和湖泊。

The Yellow River flows through my hometown from west to East.黄河自西向东流过我的家乡。

The Poyang Lake in my hometown covers a large area.我老家的鄱阳湖面积很大。

I Know我知道

rivers河流

lake湖泊

Rivers are large natural water flows on the surface of land. Water lakes are large accumulations surrounded by land, and water bodies are aggregates of water. Get up the water. Rivers and lakes belong to water body, which is the aggregate of water.河流足陆地表面较大的天然水流，水湖泊是被陆地围着的大片积聚水体是水的集合体。起来的水。河流和湖泊属于水体，水体是水的集合体。

What other water bodies are there on land?陆地上还有哪些水体?

I Know.....我知道.....

Water bodies on land include rivers, lakes, glaciers, snow, reservoirs, ponds, etc.陆地上的水体包括江、河、湖、冰川、积雪、水库、池塘等。

Development activities拓展活动

Accompanied by their parents, they visited the water body of their hometown to understand its impact on the local.在家长的陪同下实地考察家乡的水体，了解其对当地的影响。